Key facts

Modern Doors security doors sound proof doors
Modern doors
ComTür >
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Doors-Internal doors >
Doors-Internal doors >

Product description

In addition to their sound-absorbing properties, the doors in ComTür’s range of individual internal sound insulation doors offer tremendous design freedom and safety. There are minimum requirements that apply to the required airborne sound insulation of doors between certain areas and rooms to prevent sound from outside apartments and external work areas from penetrating inside. Depending on the specific area of use, these requirements are divided into the sound insulation classes SK1-SK4 with sound absorption values (Rw,P) of 32 dB, 37 dB, 42 dB and 47 dB respectively. Sound propagation is also prevented with a floor seal or a second level of sealing.

Main features

DIN: 4109, EN ISO 140
Class: SK1, SK2, SK3, SK4
Area: Depending on the requirements – in public buildings, multistorey buildings with apartments, working areas, hospital wards, hotels

Product family


Doors with high design standards
Good design, stripped back to the essentials – this is the philosophy behind our modern internal doors. The focus here is on doors as key elements of wall design. Our collections, wall-flush doors, frameless doors, ceiling-high doors, and surface-flush doors offer planners and designers timeless and individual solutions that are tailor-made according to customer specifications. Our made-to-measure production enables flexible door design – regardless of the chosen design, dimensions, direction of opening, or surface design.